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杜草隧道是一九七五年五月一日由铁二局七处施工,一九七八年十一月十五日竣工,一九八○年九月十九日运营通车,隧道全长3900.53米,进口(哈方)有487.08米,为450米半径曲线,出口(牡方)有175.21米,600米半径曲线,中间直线3237.64米,最大坡度为8‰。隧道下部设整体道床,隧道内及进口两端D K251~(KM)+255.83~M～D K255~(KM)+276.808~M共设长4209.78米,铺设25米/根,50kg/M新轨,钢轨支承点按1840对/公里布置(每对
The Tucao Tunnel was constructed by seven railway secondary offices on May 1, 1975 and completed on November 15, 1978. The tunnel was opened to traffic on September 19, 3900.53 meters, imports (Kazakhstan) 487.08 meters, 450 meters radius curve, exit (Mu square) 175.21 meters, 600 meters radius curve, the middle straight line 3237.64 meters, the maximum gradient of 8 ‰. The lower part of the tunnel is equipped with an integral track bed. The inner and outer ends of the tunnel are provided with a total length of 4209.78 meters, laying 25 meters / root and a new 50 kg / M new track , Rail support points by 1840 pairs / km layout (each pair